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Of the following a correct statement is...

Of the following a correct statement is

A

`Delta H` is positive for exothermic reaction

B

`Delta H` is negative for endothermic reaction

C

The heat of neutralization of strong acid with strong base is always the same

D

The enthalpy of fusion is negative

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The correct Answer is:
C
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NARAYNA-THERMODYNAMICS-C.U.Q
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  2. Which of the following reactions is not exothermic?

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  3. Of the following a correct statement is

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  4. Charge in enthalpy and change in internal energy are equal at room tem...

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  5. For the transition C("(diamond)") rarr C("(graphite)"), DeltaH=-1.5 kJ...

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  6. The enthyalpy change for the process C("(graphite)") rarr C((g)), Delt...

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  7. H(2) (g) +I(2) (g) rarr 2HI (g), DeltaH=51.9 kJ. According to this, ...

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  8. The equation in according with the definition of standard heat of form...

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  9. Which of the following values of heat of formation indicates that the ...

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  10. Among the following gases, heat of combustion is highest for

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  11. The standard enthalpy of formation (Delta(f)H^(@)) at 298K for methan...

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  12. Calculate the enthalpy of formation of Delta(f)H for C(2)H(5)OH from t...

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  13. The standard enthyalpy of N(2(g))+3H(2(g)rarr2NH(3(g)) is

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  14. Hess's law of constant heat summation is bases on

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  15. According to Hess's law, the thermal effects of a reaction depends on

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  16. The standard heat of combustion of graphite carbon is -393.5 kJ mol^(-...

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  17. The heat of combustion is

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  18. Calculate the calorific value of octane a component of gasoline with t...

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  20. With increase in number of carbon atoms in alkanes, heat of combustion

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